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Message-ID: <b466996e-b00a-e848-25a0-e6ba768a573f@grimberg.me>
Date: Mon, 12 Feb 2018 20:43:58 +0200
From: Sagi Grimberg <sagi@...mberg.me>
To: Jianchao Wang <jianchao.w.wang@...cle.com>, keith.busch@...el.com,
axboe@...com, hch@....de
Cc: linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme-pci: drain the entered requests after ctrl is
shutdown
> Currently, we will unquiesce the queues after the controller is
> shutdown to avoid residual requests to be stuck. In fact, we can
> do it more cleanly, just wait freeze and drain the queue in
> nvme_dev_disable and finally leave the queues quiesced.
Does this fix a bug? What is the benefit of leaving the queues
quiesced in shutdown?
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